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조구등(釣鉤藤)의 4-VO로 유발한 흰쥐뇌허혈에 대한 신경방어효과
李仁煥,林康鉉,李鍾錫,石庚浩,安德均,朴虎君,김頀哲 대한본초학회 1999 大韓本草學會誌 Vol.14 No.2
Uncariae Ramulus et Uncus(UR, ???) has sweet in flavour and slightly cold in property, acting on the liver and pericardium channels. This drug was described in a medical classic as having the ability to remove "heat", check hyperfunction of the liver and relieve dizziness, tremors, and convulsion, and subdue "endogenous wind". So this study was planned to check the neuroprotective effect of UR on the global ischemia induced by 4-vessel occlusion in Wistar rats. and UR extract was lyophilized after extraction with 70% methanol. We induced 4-vessel occlusion for 10 minutes and reperfused again. The number of CA1 pyramidal neurons were counted after 7 days of reperfusion under the cresyl violet staining. In 4-VO ischemia model, UR showed significantly neuroprotective effects(1,000 and 500 ㎎/㎏ of UR extracts, p<0.05) compared with control group. Each neuroprotective ratio was about 23.0%, 19.0% respectively. Consequently, Uncariae Ramulus et Uncus has neuroprotective effects on the global ischermia induced by 4-vessel occlusion in Wistar rats. So we expect that Uncariae Ramulus et Uncus can be used as a drug for neurodegenerative disease.
황금(黃芩)의 4-VO로 유발한 흰쥐뇌허혈에 대한 신경방어효과
李秉哲,林康鉉,金榮玉,金善礪,安德均,朴虎君,金護哲 대한본초학회 1999 大韓本草學會誌 Vol.14 No.2
Scutellariae Radix(SR), the root of Scutellaria baicalensis G_EORGI, whose property, flavour and channel tropism is bitter in flavour, cold in property(寒), acting on the lung, gallbladder, stomach and large intestine channels(歸?,?,?,大??), has the effects of clearing away heat and dampness(淸熱??), purging fire, detoxicating(?火解?), stopping bleeding(止血) and preventing miscarriage(安?). This drug is one of the popular drugs in traditional Korean medicine, which has been used to antipyretic, antibacterial, antitoxic and antihypersensitive effects. So this study was planned to check the neuroprotective effect of SR on the global ischemia induced by 4-vessel occlusion in Wister rats. and SR extract was lyophilized after extraction with 70% methanol. We induced 4-vessel occlusion for 10 minutes and reperfused again. The number of CA1 pyramidal neurons were counted after 7 days of reperfusion under the cresyl violet staining. The result obtained that in 4-VO ischemia, SR showed significantly neuroprotective effects(1,000 and 500 ㎎/㎏ of SR extracts, p<0.05) compared with control group. Each neuroprotective ratio was about 27.4 %, 23.2 % respectively. Consequently, Scutellariae Radix has neuroprotective effects on the global ischemia induced by 4-vessel occlusion in Wistar rats.
Cyclophosphamide가 Mouse 肝臟의 燐酸鹽 分解酵素 活性에 미치는 影響
강성준,이군자,정호삼,이규식 한양대학교 의과대학 1985 한양의대 학술지 Vol.5 No.2
Cyclophosphamide which is known as a widely used anticancer drug is very effective against a lymphosarcoma, leukemia and nonneoplasmic diseases such as rhematoid arthritis and lupus erythematosus. Cyclophosphamide acts on a DNA as a alkylating agent inhibiting the cell division and growth. And it is also known that metabolites of cyclophosphamide damages the liver cell. The authors have, therefore, undertaken to pursue the effect of cyclophosphamide on the phosphatase activity in the liver. Albino mice, DDY strain, weighing 20gm were used as experimental animals. The experimental animals were administered daily with 200gm of cyclophosphamide per kilogram of body weight were divided into 7-day treatment group and 10-day treatment group. The specimens obtained from the liver were fixed with 10% formalin and sliced at 16 μm thickness in a frozen cryostat. The activity of alkaline phosphatase was observed by the Gomori's method and activity of the adenosine triphosphatase was observed by the Wachstein-Meisel's method for histochemical study. The results were as follows. 1. Alkaline phosphatase activity of the hepatic lobule was moderately positive at the periportal and intermediate zone of the 7-day cyclophosphamide treatment group and trace activity of alkaline phosphatase was observed at the periportal and intermediate zone of the 10-day cyclophosphamide treatment group. 2. Adenosine triphosphatase activity of the hepatic lobule was moderately positive at the periportal, central and intermediate zone of the 7-day cyclophosphamide treatment group and weakly positive at the central and periportal zone of the 10-day cyclophosphamide treatment group.
A Study on the Creative Value Innovation Strategy and Creative Value Design
Lee, Kang-Koon,Park, Young-H. The Korean Society for Quality Management 2006 The Asian Journal on Quality Vol.7 No.3
In order to achieve sustainable growth in the era of global competitiveness, a speedy and flexible strategy is needed in the fast changing management environment. For this purpose, strengthening the core confidence in the organization along with acquiring competitive advantages that cannot be easily copied by competitors should be done based on dealing with needs from customers and markets positively. In this study, the creative value innovation strategy and creative value design methodology will be presented to improve company competitiveness.
A Study of Lean DFSS through the Creative Value Design
Lee, Kang-Koon,Ree, Sang-Bok,Park, Young-H. The Korean Society for Quality Management 2005 The Asian Journal on Quality Vol.6 No.3
Six Sigma uses DMAIC (Define, Measure, Analyze, Improve, Control) methodology as the process of a solving problem. Enterprises already propelling Six Sigma successfully, such as Motorola, GE and consulting companies, also traditionally propose DMAIC methodology. But, from activating Six Sigma, enterprises and Six Sigma-consulting companies propose Six Sigma methodology matching indirection part of office and R&D part. As an example, DFSS (Design For Six Sigma) is part of R&D application in GE. This study investigates Six Sigma methodology corresponding to the Right Process of the kernel factor. Especially for the optimum design of R&D, the study revises the definition of DFSS and the general organization through Lean DFSS methodology research and analysis.
DFSS(Design For Six Sigma)사고를 통한 신제품계획 단계에서 프로젝트 성공요인에 대한 실증분석
이강군 ( Kang Koon Lee ),이상복 ( Sang Bok Ree ) 한국품질경영학회 2005 품질경영학회지 Vol.33 No.1
The IMD(International Institute for Management Development) report said that national competitiveness of Korea is declined in this year. The main reason for Korea`s decline is a largely related to the weakness of corporate competitiveness. The new product development is a necessary ingredient for improving the national competitiveness. The analysis of changing of technologies and customer`s needs is needed for successful new product development. In this paper, We found out successful factors of the project by use of DFSS(Design for Six Sigma) and proved them by case study of K-company. Result from this paper is applied to the new product development planning step for K-company and it made a great success rate. It is expected that the result is applied to the same kind industries.